Test result with the patch set applied (ubuntu_fan_smoke_test):
11:48:05 INFO | Writing results to /home/ubuntu/autotest/client/results/default
11:48:05 INFO | START timestamp=1714564085localtime=May
01 11:48:05
11:48:05 INFO | START ubuntu_fan_smoke_test.setup
ubuntu_fan_smoke_test.setup timeout=1200timestamp=1714564085
localtime=May 01 11:48:05
11:48:07 INFO | GOODubuntu_fan_smoke_test.setup
ubuntu_fan_smoke_test.setup timestamp=1714564087localtime=May 01
11:48:07 completed successfully
11:48:07 INFO | END GOODubuntu_fan_smoke_test.setup
ubuntu_fan_smoke_test.setup timestamp=1714564087localtime=May 01
11:48:07
11:48:07 INFO | START ubuntu_fan_smoke_test.fan-smoke-test
ubuntu_fan_smoke_test.fan-smoke-testtimeout=1800timestamp=1714564087
localtime=May 01 11:48:07
11:51:46 INFO | Testing Fan Networking (pre-0.13.0 API)
11:51:46 INFO | docker pull --platform linux/amd64 ubuntu: PASSED
11:51:46 INFO | enable disable fan test: PASSED
11:51:46 INFO | fanctl show test: PASSED
11:51:46 INFO | fanctl check bridge config test: PASSED
11:51:46 INFO | fanatic docker test(--dns=192.168.122.1): PASSED
11:51:47 INFO | GOODubuntu_fan_smoke_test.fan-smoke-test
ubuntu_fan_smoke_test.fan-smoke-testtimestamp=1714564307localtime=May
01 11:51:47 completed successfully
11:51:47 INFO | END GOODubuntu_fan_smoke_test.fan-smoke-test
ubuntu_fan_smoke_test.fan-smoke-testtimestamp=1714564307localtime=May
01 11:51:47
11:51:47 INFO | END GOODtimestamp=1714564307
localtime=May 01 11:51:47
11:51:47 INFO | Report successfully generated at
/home/ubuntu/autotest/client/results/default/job_report.html
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2064508
Title:
re-enable Ubuntu FAN in the Noble kernel
Status in linux package in Ubuntu:
New
Status in linux source package in Noble:
New
Bug description:
[Impact]
In LP: #2063298, we have opted to deprecate Ubuntu FAN support because
of the maintenance overhead and the possibility of regressions /
conflicts with the new networking eBPF APIs in kernels >= 6.8.
However, we cannot disable this feature in HWE/backport kernels, so it
seems safer to adjust the Ubuntu FAN kernel patch set to ensure proper
co-existence with the updated vxlan policy requirements in newer 6.8
kernels.
The re-introduction of Ubuntu FAN should be considered as a temporary
measure, aimed at facilitating a smooth transition during its
deprecation without disrupting existing users (specifically Juju), and
enabling the backporting of 6.8 kernels to older releases.
The main plan is still to deprecate Ubuntu FAN in newer releases.
[Test case]
Rely on the specific Ubuntu FAN regression test to validate the proper
kernel support of this feature:
https://git.launchpad.net/~canonical-kernel-team/+git/autotest-client-
tests/tree/ubuntu_fan_smoke_test?h=autotest3
[Fix]
Re-apply the Ubuntu FAN patch set to the latest Noble kernel 6.8 and
integrate the IFLA_VXLAN_FAN_MAP attribute type in vxlan_policy to
satisfy the strict length validation check.
[Regression potential]
We may experience regressions with eBPF vxlan capabilities and
potentially specific use cases of the Ubuntu FAN technology (Juju
installations).
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2064508/+subscriptions
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